package com.heu.blood.config;

import com.heu.blood.filter.JwtAuthenticationTokenFilter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

@Configuration
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;

    @Bean
    public PasswordEncoder passwordEncoder(){
        return new BCryptPasswordEncoder();
    }

    @Autowired
    private AuthenticationEntryPoint authenticationEntryPoint;

    @Autowired
    private AccessDeniedHandler accessDeniedHandler;

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
                //关闭csrf
                .csrf().disable()
                //不通过Session获取SecurityContext
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                .and()
                .authorizeRequests()
                .antMatchers("/user/login").anonymous()
                .antMatchers("/blood/dictbloodproduct/list").anonymous()
                .antMatchers("/blood/dictbloodproduct/tree").anonymous()
                .antMatchers("/dict/dictdata/list").anonymous()
                .antMatchers("/dict/dictdepartment/list").anonymous()
                .antMatchers("/dict/dictdepartment/tree").anonymous()
                .antMatchers("/dict/dicttype/list").anonymous()
//                .antMatchers("/dict/**").anonymous()
                .antMatchers("/**/**").permitAll()
                // 对于登录接口 允许匿名访问
                // 对于管理接口，允许管理员访问
//                .antMatchers("/dict/**").hasAnyAuthority("system:dict:list", "system:dict:delete", "system:dict:modify")
//                .antMatchers("/match/**").hasAnyAuthority("system:match:list", "system:match:delete", "system:match:modify")
//                .antMatchers("/recycle/**").hasAnyAuthority("system:recycle:list", "system:recycle:delete", "system:recycle:modify")
//                .antMatchers("/security/**").hasAnyAuthority("system:security:list", "system:security:delete", "system:security:modify")
//                .antMatchers("/storage/**").hasAnyAuthority("system:storage:list", "system:storage:delete", "system:storage:modify")
//                .antMatchers("/transfusion/**").hasAnyAuthority("system:transfusion:list", "system:transfusion:delete", "system:transfusion:modify")
//                .antMatchers("/**/**").permitAll()
                // 除上面外的所有请求全部需要鉴权认证
                .anyRequest().authenticated();
        //把token校验过滤器添加到过滤器链中
        http.addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);

        // 配置异常处理器
        http.exceptionHandling()
                // 配置认证失败处理器
                .authenticationEntryPoint(authenticationEntryPoint)
                .accessDeniedHandler(accessDeniedHandler);
        //允许跨域
        http.cors();
    }
}